body {
    min-width: 320px;
    max-width: 750px;
    width: 10rem;
    margin: 0 auto;
    line-height: 1.5;
    font-family: Arial, Helvetica, sans-serif;
    background: #F2F2F2;
}

a {
    text-decoration: none;
    font-size: .333333rem;
}

@media screen and (min-width: 750px) {
    html {
        font-size: 75px !important;
    }
}

.search-content {
    position: fixed;
    display: flex;
    width: 10rem;
    height: 1.173333rem;
    background-color: #FFC001;
}

.classify {
    width: .586667rem;
    height: .933333rem;
    background: url(../images/classify.png) no-repeat;
    margin: .146667rem .333333rem .093333rem .32rem;
}

.search {
    flex: 1;
    height: 100%;
}

.search input {
    width: 100%;
    height: .826667rem;
    color: #757575;
    background-color: #fff;
    border: 0;
    border-radius: .413333rem;
    padding-left: .733333rem;
    outline: none;
    margin-top: .16rem;
}

.login {
    width: 1rem;
    height: .933333rem;
    margin: .133333rem;
    color: #fff;
    text-align: center;
    line-height: .933333rem;
}

.banner {
    width: 10rem;
    height: 4.906667rem;
}

.banner img {
    width: 100%;
}

.ad {
    display: flex;
}

.ad a {
    flex: 1;
}

.ad img {
    width: 100%;
}

.nav {
    display: flex;
    flex-wrap: wrap;
}

.nav a {
    display: flex;
    flex: 20%;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    height: 1.866667rem;
    color: #000;
}

.nav a img {
    width: 1.093333rem;
    margin-top: .133333rem;
}